1-(4-((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)sulfonyl)piperazin-1-yl)ethan-1-one 1g

1-(4-((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)sulfonyl)piperazin-1-yl)ethan-1-one 1g